How popular is Celestia?

Celestia is a rare given name for females. Celestia is an equally unique last name for all people. (2000 U.S. Demographics)

Celestia was first listed in 1880-1889 and reached its apex position of #903 in the U.S. then, but is not in the list currently. (Top Baby Names, 2015)

Which version is better?

with its source form and related girl names. Popular alternative forms of Celestia are Celeste(#499 a year ago), Celia(#858), Celestine, Celesta and Celestina. These forms of Celestia were favored as baby names 115 years ago (adoption of 0.12%) and have become much less widespread since (adoption 0.04%, 62% less), with versions such as Celeste going out of style.